Audio Research Ls7 pre (Used)

Audio Research pre amp LS7. Condition 8.5/10. Price asking for Rm2900 neg. Any question please call Steven at 0122889393.Thank you

Is this a tube or a hybrid preamp?

modena wrote:Is this a tube or a hybrid preamp?

Thanks for asking .Yes ,it is hybrid preamp and has 2 6922 tube.

Does this have Balance Inputs and Outputs?

mr modena,,,,,,AUDIO RESEARCH LS 7

Specifications

Frequency response ± .5dB, 1.0Hz to 100kHz -3dB points below 0.1Hz and above 300kHz
Distortion (THD) Less than .01% at 2V RMS output. (Typically .005% in midband)
Noise & hum 15µV RMS maximum IHF weighted noise at main output with gain control minimum (more than 102dB below 2V RMS output)
Gain Main output - 13dB unbalanced
Tape output - 0dB
Input impedance 100K ohms.
Output impedance 200 ohms main output. Recommended load 60K ohms and 100pF (20K ohms minimum and 1000pF maximum)
Output polarity
Maximum inputs 20V maximum
Rated outputs 2V RMS 1Hz to 100kHz, all outputs, 60K ohm load (maximum output 25V RMS at 1/2% THD into 100K ohms)
Power supplies Electronically-regulated low and high voltage supplies. Line regulation better than .01%
Tube complement (4) 6922/E88cc dual triode
Power requirements 100-135VAC 60Hz (200-270VAC 50/60Hz) 25 watts minimum
Other Inputs (5): tape, tuner, CD, video, aux
Controls: Gain, input selector
Toggle switches: power/off, mute/operate
Dimensions 19" (48 cm) W x 5 1/4" (13.4 cm) H (standard rack panel) x 10 1/4" (26 cm) D. Handles extend 1 1/2" (3.8 cm) forward of front panel. Rear chassis fittings extend 1/2" (1.3 cm).
Weight 9.8 lbs. (4.5 kg) Net, 18.8 lbs. (8.5 kg) Shipping.
TQ,,,,THANKS YOU

Donald-ttt u already know what LS7 Specifications. u lot play hifi righti .can teach a little. please lah brother Donald-ttt ,TQ

Thank you Mr. Donald-ttt for the info.

ayoyo wrote:Donald-ttt u already know what LS7 Specifications. u lot play hifi righti .can teach a little. please lah brother Donald-ttt ,TQ

Ayoyo,

Please refrain from further comments such as this, otherwise you/your posts will be further moderated.

Thank you,